From 5038f6e154f21e6c83970ce99c9d0aafcb67ce0f Mon Sep 17 00:00:00 2001
From: David Anson <david@dlaa.me>
Date: Fri, 13 Jan 2023 19:37:17 -0800
Subject: [PATCH] Work around likely micromark bug in sliceSerialize (link to
 GitHub issue in code).

---
 lib/micromark.mjs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/micromark.mjs b/lib/micromark.mjs
index 0b74113c..59ee0eca 100644
--- a/lib/micromark.mjs
+++ b/lib/micromark.mjs
@@ -41,11 +41,15 @@ function micromarkParse(markdown) {
   const history = [ current ];
   for (const event of events) {
     const [ kind, token, context ] = event;
-    const { type, start, end, _container } = token;
+    const { type, start, end } = token;
     const { "column": startColumn, "line": startLine } = start;
     const { "column": endColumn, "line": endLine } = end;
-    // sliceSerialize throws when called for a _container
-    const text = _container ? null : context.sliceSerialize(token);
+    let text = null;
+    try {
+      text = context.sliceSerialize(token);
+    } catch {
+      // https://github.com/micromark/micromark/issues/131
+    }
     if (kind === "enter") {
       const previous = current;
       history.push(previous);